
Recombinant SARS Associated Coronavirus Spike Receptor Binding Domain (306-515 a.a.) by ProSpec Bio is a recombinant antigen expressed in HEK293 cells (aa 306–515, C-terminal His tag, 24.8 kDa, >95% pure), supplied as a solution. Sizes: 2 µg (sars-046), 10 µg (sars-046-1), 1 mg (sars-046-2). Available from MBP, a registered vendor at leading US research institutions.


